Mattanur's climate is characterized by mild winters with average temperatures ranging from 16-30°C, with a gradual warming trend as the year progresses. Spring brings moderate temperatures between 20-32°C, while summer months are hot, but not extremely so, with highs around 31-32°C. Autumn sees a slight cooling, with temperatures returning to the 20-30°C range. Winter temperatures dip slightly, averaging 17-23°C, before gradually warming up again for another cycle of rising temperatures. The overall temperature pattern is relatively stable throughout the year, with minimal extremes.